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You need to design a student registration database that contains several tables storing academic information. The STUDENTS table stores information about a student. The STUDENT_GRADES table stores information about the student's grades. Both of the tables have a column named STUDENT_ID. The STUDENT_ID column in the STUDENTS table is a primary key. You need to create a foreign key on the STUDENT_ID column of the STUDENT_GRADES table that points to the STUDENT_ID column of the STUDENTS table. Which statement creates the foreign key?
Correct Answer: D
Explanation/Reference: Explanation: CONSTRAINT name FOREIGN KEY (column_name) REFERENCES table_name (column_name); Incorrect answer: A. invalid syntax B. invalid syntax C. invalid syntax Refer: Introduction to Oracle9i: SQL, Oracle University Study Guide, 10-14